fix: remove remaining 光子美容仪 from server and admin-console

Replace with 智能面膜 (device name) and 智美 (brand name) for regulatory compliance.

server/src/lib/wxpay.js

@@ -92,7 +92,7 @@ async function createPrepayOrder({ openid, orderId, amountFen, description }) {
   const body = {
     appid: config.wxpay.appid || config.wechat.appid,
     mchid: config.wxpay.mchId,
-    description: description || '光子美容仪订阅',
+    description: description || '智能面膜订阅',
     out_trade_no: orderId,
     notify_url: config.wxpay.notifyUrl,
     amount: { total: amountFen, currency: 'CNY' },